Air purifier



FIG. 1 is a front view of an air purifier showing our new design in a first configuration;

FIG. 2 is a rear view thereof;

FIG. 3 is a left side view thereof,

FIG. 4 is a right side view thereof;

FIG. 5 is a top view thereof,

FIG. 6 is a bottom view thereof;

FIG. 7 is a front, right, top perspective view thereof,

FIG. 8 is a rear, left, top perspective view thereof;

FIG. 9 is a front, left, bottom perspective view thereof,

FIG. 10 is a rear, right, bottom perspective view thereof;

FIG. 11 is a front view of the air purifier of FIG. 1 shown in a second configuration;

FIG. 12 is a rear view thereof;

FIG. 13 is a left side view thereof;

FIG. 14 is a right side view thereof;

FIG. 15 is a top view thereof;

FIG. 16 is a bottom view thereof,

FIG. 17 is a front, left, top perspective view thereof;

FIG. 18 is a rear, right, top perspective view thereof,

FIG. 19 is a front, right, bottom perspective view thereof;

FIG. 20 is a rear, left, bottom perspective view thereof; and,

FIG. 21 is a rear view of the air purifier of FIG. 1 shown in a third configuration. 

CLAIM The ornamental design for an air purifier, as shown and described. 